‘When Patrick was first diagnosed with cancer, cannabis oil wasn’t available for medical use, but I give it to him …

Mairead Campbell reveals how her son Patrick was given a 10% chance of living when he was diagnosed with lymphoma at the age of five. Years after undergoing a bone marrow transplant, the 13-year-old is reaping the health benefits of cannabis oil and good diet, she tells Una Brankin.

Cannabis oil is one of the best-selling products at Mairead Campbell’s CE health food store in bustling Crumlin village in Co Antrim. Although the former teacher would never claim the oil — which is devoid of the psychoactive ingredients of